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Mathematics 7 Online
OpenStudy (anonymous):

What is the resultant of a and b, if a = 3i + 3j and b = 3i - 3j? A. 6i + 0j B. 9i - 9j C. 6i + 6j D. 9i + 9j

OpenStudy (perl):

I believe 'resultant' means the vector sum a + b

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